Bar Separation Unit With Lifting Divider for Accurate Counting

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Solution Overview

Problem

Existing bar separation units are inefficient due to frequent blockages, inaccurate counting, and wear issues, particularly with thin bars, and lack adaptability for different diameters and existing apparatuses.

Innovation Solution

The apparatus features movement groups with interspaces for separation units, each comprising a dividing device with a support surface and a lifting mechanism that positions the dividing element above or below the support plane to precisely separate bars, allowing for versatile operation and installation on existing systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If worm screw separation units are used to separate bars, then bars can be divided and counted, but frequent blockages occur and counting accuracy decreases

Engineering Contradiction:
Improvebar separation efficiencyVSAvoidseparation unit reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent replaces the worm screw mechanical separation system with a pushing rod mechanism that uses direct linear motion to separate bars. This substitution eliminates the threading and grooving issues that caused blockages in worm screw systems, while maintaining the bar separation function through a simpler pushing action that reduces friction and jamming.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The separation unit is divided into distinct functional components: a pushing rod for separation, a support surface for bar positioning, and a lifting mechanism for vertical movement. This segmentation allows each component to perform its specific function efficiently, with the pushing rod focusing solely on lateral separation while the lifting mechanism handles vertical positioning, improving overall reliability.

Inventive Principle:
Principle #1Segmentation

2Productivity

If worm screw separation units are used, then bars can be separated, but wear of the worm screw reduces its life span

Engineering Contradiction:
Improvebar separation capabilityVSAvoidseparation unit lifespan
Core Design Contradiction:
ProductivityVSDuration of action of stationary object

Solution Approach 1:

The patent replaces the worm screw mechanism with a pushing rod system that uses direct linear motion. This eliminates the sliding friction and wear inherent in worm screw threading, resulting in significantly reduced wear on moving parts and extended operational lifespan of the separation unit.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The pushing rod is designed as a simple, easily replaceable component with no complex threading or grooving. If wear does occur, the entire pushing rod can be quickly replaced without affecting other components, making maintenance simpler and more cost-effective compared to worn worm screws.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Productivity

If worm screw separation units are used, then bars can be divided, but multiple bars can be accommodated in the throat which prevents reliable counting

Engineering Contradiction:
Improvebar division functionVSAvoidbar counting accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The support surface is designed with specific local characteristics including a defined width and positioning features that accommodate exactly one bar width. This local quality control ensures that only one bar can be positioned on the support surface at a time, enabling reliable counting while maintaining the bar division function.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The separation unit is segmented into a pushing rod for division and a support surface for positioning. This segmentation allows the support surface to be optimized specifically for single-bar positioning and counting, while the pushing rod handles the division function, separating these two functions for improved precision.

Inventive Principle:
Principle #1Segmentation

4Productivity

If worm screw separation units are used, then bars can be separated, but adaptation for different bar diameters requires replacing worm screws

Engineering Contradiction:
Improvebar separation functionVSAvoidadaptability to different bar diameters
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The support surface width and pushing rod dimensions are made adjustable rather than fixed. This dynamic capability allows the separation unit to adapt to different bar diameters by reconfiguring the support surface and pushing rod dimensions, eliminating the need to replace entire worm screw assemblies when changing bar formats.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The pushing rod mechanism is designed as a universal system that can handle multiple bar diameters and configurations through adjustable parameters. Instead of requiring different worm screw types for different bar sizes, this single versatile mechanism can accommodate various bar dimensions by adjusting the support surface and pushing rod geometry.

Inventive Principle:
Principle #6Universality (Multi-functionality)

5Measurement precision

If bars are separated using conventional methods, then counting can be performed, but bars become twisted and overlapping making extraction difficult

Engineering Contradiction:
Improvebar counting capabilityVSAvoidbar alignment and non-twisting
Core Design Contradiction:
Measurement precisionVSStability of the object's composition

Solution Approach 1:

The support surface is designed to receive and position bars in a predetermined single-file arrangement before separation occurs. This preliminary positioning action ensures that bars are properly aligned and spaced before the pushing rod separates them, preventing twisting and overlapping that would make subsequent extraction difficult.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The support surface provides a level, stable base that maintains bars in a consistent horizontal position during separation. This equipotential positioning prevents bars from tilting or twisting during the separation process, keeping them in a stable, easily extractable configuration while enabling accurate counting.

Inventive Principle:
Principle #12Equipotentiality

Data Source

PatentEP3720793B1Separating apparatus for bars, separating unit and associated method
Publication Date: 2022.11.02 ALPING ITAL SRL
  • EP3720793B1 patent drawingFigure 1
  • EP3720793B1 patent drawingFigure 2~4
  • EP3720793B1 patent drawingFigure 5~6

AI summary

Apparatus (10), unit (16) and method to separate a desired number of bars from an initial group of bars (B). The initial group of bars (1 1) is located movement units (12) defining a support plane (11) and made to advance in direction of movement (F).